Annotations: 2QBW

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PDZ domain-like	8042131	3000388	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PDZ	e2qbwA4	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ	ECOD (1.6)
A	fn3	e2qbwA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00595	PDZ domain (PDZ)	PDZ domain	PDZ domains are found in diverse signaling proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PDZ-Fibronectin fusion protein	protein binding binding ErbB-2 class receptor binding signaling receptor binding structural constituent of cytoskeleton structural molecule activity	regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality cellular response to stimulus positive regulation of response to biotic stimulus regulation of cellular process pattern recognition receptor signaling pathway response to stimulus negative regulation of biological process regulation of signal transduction response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality cellular response to stimulus positive regulation of response to biotic stimulus regulation of cellular process pattern recognition receptor signaling pathway response to stimulus negative regulation of biological process regulation of signal transduction response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway regulation of biological process immune response response to other organism regulation of innate immune response response to external stimulus negative regulation of nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway regulation of response to stimulus defense response to other organism regulation of pattern recognition receptor signaling pathway positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response regulation of nucleotide-binding oligomerization domain containing 2 signaling pathway cytoplasmic pattern recognition receptor signaling pathway regulation of defense response regulation of response to biotic stimulus negative regulation of nucleotide-binding oligomerization domain containing 2 signaling pathway biological process involved in interspecies interaction between organisms regulation of response to external stimulus intracellular receptor signaling pathway signaling negative regulation of signaling negative regulation of cytoplasmic pattern recognition receptor signaling pathway positive regulation of biological process regulation of cytoplasmic pattern recognition receptor signaling pathway negative regulation of cell communication positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of response to stress response to stress innate immune response negative regulation of cellular process response to external biotic stimulus nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway nucleotide-binding oligomerization domain containing 2 signaling pathway regulation of signaling positive regulation of innate immune response defense response negative regulation of response to stimulus regulation of nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway defense response to symbiont negative regulation of signal transduction negative regulation of immune system process immune system process regulation of cell communication cellular process multicellular organismal process cellular biosynthetic process regulation of monocyte chemotactic protein-1 production negative regulation of chemokine production negative regulation of cellular metabolic process organic substance metabolic process monocyte chemotactic protein-1 production regulation of cytokine production organic substance biosynthetic process cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of monocyte chemotactic protein-1 production cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of chemokine production negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process chemokine production regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process integrin-mediated signaling pathway cell surface receptor signaling pathway negative regulation of DNA-binding transcription factor activity RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process negative regulation of NF-kappaB transcription factor activity nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of molecular function primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process regulation of molecular function organic cyclic compound metabolic process regulation of DNA-binding transcription factor activity organic cyclic compound biosynthetic process regulation of DNA-templated transcription response to organic substance response to cytokine cellular response to chemical stimulus cellular response to tumor necrosis factor response to chemical cellular response to cytokine stimulus cellular response to organic substance response to tumor necrosis factor cell surface receptor protein tyrosine kinase signaling pathway ERBB signaling pathway epidermal growth factor receptor signaling pathway enzyme-linked receptor protein signaling pathway protein localization localization establishment of protein localization cellular localization protein targeting cellular macromolecule localization macromolecule localization establishment of localization cell adhesion cellular component organization intermediate filament-based process organelle organization cellular component organization or biogenesis cytoskeleton organization intermediate filament cytoskeleton organization response to organonitrogen compound response to oxygen-containing compound response to muramyl dipeptide response to nitrogen compound basal protein localization response to lipid response to lipopolysaccharide response to bacterium response to molecule of bacterial origin establishment or maintenance of bipolar cell polarity establishment or maintenance of epithelial cell apical/basal polarity establishment or maintenance of apical/basal cell polarity establishment or maintenance of cell polarity	cell junction cellular anatomical entity anchoring junction hemidesmosome cell-substrate junction membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle cell junction cellular anatomical entity anchoring junction hemidesmosome cell-substrate junction membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen nuclear membrane membrane endomembrane system organelle envelope nuclear envelope organelle membrane basement membrane cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix basal part of cell plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane cytoplasm postsynapse postsynaptic specialization synapse glutamatergic synapse neuromuscular junction
B	Polypeptide	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003591	Leucine-rich repeat, typical subtype	Repeat
A	IPR001611	Leucine-rich repeat	Repeat
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A	IPR001478	PDZ domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q96RT1	adenoid cystic carcinoma hereditary spastic paraplegia osteosarcoma pancreatic intraductal papillary-mucinous carcinoma plasma cell myeloma breast cancer juvenile dermatomyositis ovarian cancer pancreatic intraductal papillary-mucinous neoplasm rheumatoid arthritis Down syndrome malignant pancreatic neoplasm pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia salivary gland adenoid cystic carcinoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.